Three-Neck Borosilicate Glass Adapter, 19/26 Socket and 45/40 Cone Coating_Cork and simple invertebrate body plan

and simple invertebrate body plan for biology teaching

showing mechanical advantage through fluid pressure transmission

supporting plant transpiration measurement on a wooden base across repeated lab sessions

demonstrating how a clutch connects and disconnects rotational drive power in automotive and industrial systems

Twelve-part human torso model with intact head and removable organs supports combined cranial and visceral anatomy teaching at pre-college and secondary levels

Three-Neck Borosilicate Glass Adapter, 19/26 Socket and 45/40 Cone Coating_Cork and simple invertebrate body planConnects thermometer, addition funnel, and condenser simultaneously to a single flask with two parallel necks plus a 45 degree angled neck for distillation and reaction monitoring.